27 lines
726 B
Factor
27 lines
726 B
Factor
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! Copyright (C) 2007 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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REQUIRES: libs/process libs/xml ;
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USING: memory io process sequences prettyprint kernel arrays
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xml xml-utils ;
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IN: contributors
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: changelog ( -- xml )
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image parent-dir cd
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"darcs changes --xml-output" "r" <process-stream> read-xml ;
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: authors ( xml -- seq )
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children-tags [ "author" tag-attr ] map ;
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: patch-count ( authors author -- n )
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swap [ = ] subset-with length ;
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: patch-counts ( authors -- assoc )
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dup prune [ [ patch-count ] keep 2array ] map-with ;
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: contributors ( -- )
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changelog authors patch-counts sort-keys reverse . ;
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PROVIDE: demos/contributors ;
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MAIN: demos/contributors contributors ;
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